1315013961 has 8 divisors (see below), whose sum is σ = 1813812480. Its totient is φ = 846445712.

The previous prime is 1315013927. The next prime is 1315013969. The reversal of 1315013961 is 1693105131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315013961 - 2⁹ = 1315013449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315013969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7557465 + ... + 7557638.

It is an arithmetic number, because the mean of its divisors is an integer number (226726560).

Almost surely, 2^1315013961 is an apocalyptic number.

It is an amenable number.

1315013961 is a deficient number, since it is larger than the sum of its proper divisors (498798519).

1315013961 is a wasteful number, since it uses less digits than its factorization.

1315013961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15115135.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1315013961 is about 36263.1212252889. The cubic root of 1315013961 is about 1095.5783829600.

The spelling of 1315013961 in words is "one billion, three hundred fifteen million, thirteen thousand, nine hundred sixty-one".